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<h2><span class="refentrytitle">Class template is_recursive_wrapper</span></h2>
<p>boost::is_recursive_wrapper — Determines whether the specified type is a specialization of
          <code class="computeroutput">recursive_wrapper</code>.</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../variant/reference.html#header.boost.variant.recursive_wrapper_hpp" title="Header &lt;boost/variant/recursive_wrapper.hpp&gt;">boost/variant/recursive_wrapper.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="is_recursive_wrapper.html" title="Class template is_recursive_wrapper">is_recursive_wrapper</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.is_recursive_wrapper.type"></a><span class="identifier">type</span><span class="special">;</span>

  <span class="comment">// static constants</span>
  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">bool</span> <span class="identifier">value</span> = <span class="identifier">unspecified</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.47.5.7.4.4"></a><h2>Description</h2>
<p>Value is true iff <code class="computeroutput">T</code> is a specialization of
          <code class="computeroutput"><a class="link" href="recursive_wrapper.html" title="Class template recursive_wrapper">recursive_wrapper</a></code>.</p>
<p><span class="bold"><strong>Note</strong></span>:
          <code class="computeroutput">is_recursive_wrapper</code> is a model of
          MPL's
          <span class="emphasis"><em>IntegralConstant</em></span> concept.</p>
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<td align="right"><div class="copyright-footer">Copyright © 2002, 2003 Eric Friedman, Itay Maman<br>Copyright © 2014-2021 Antony Polukhin<p>Distributed under the Boost Software License, Version 1.0.
    (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at 
    <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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